[  415.674440][ T8327] gre: GRE over IPv4 demultiplexer driver
[  416.207274][ T8350] ip_gre: GRE over IPv4 tunneling driver
[  424.032625][ T8698] ping (8698) used greatest stack depth: 23888 bytes left
[  432.681520][ T8924] ip6_gre: GRE over IPv6 tunneling driver
[  437.372598][ T9123] ping (9123) used greatest stack depth: 23664 bytes left
[  438.485277][ T9173] ping (9173) used greatest stack depth: 23072 bytes left
[  443.493101][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  445.542061][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  447.461066][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  449.510067][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!